DE69107511T2 - Codierverfahren und Codieranordnung mit einem Unterbandcoder und Sender mit der Codieranordnung. - Google Patents
Codierverfahren und Codieranordnung mit einem Unterbandcoder und Sender mit der Codieranordnung.Info
- Publication number
- DE69107511T2 DE69107511T2 DE69107511T DE69107511T DE69107511T2 DE 69107511 T2 DE69107511 T2 DE 69107511T2 DE 69107511 T DE69107511 T DE 69107511T DE 69107511 T DE69107511 T DE 69107511T DE 69107511 T2 DE69107511 T2 DE 69107511T2
- Authority
- DE
- Germany
- Prior art keywords
- subband
- signal
- bit
- block
- samples
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004364 calculation method Methods 0.000 claims description 19
- 239000011159 matrix material Substances 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 11
- 230000005236 sound signal Effects 0.000 claims description 11
- 230000000873 masking effect Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 230000015654 memory Effects 0.000 description 61
- 238000013139 quantization Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000011002 quantification Methods 0.000 description 2
- 241000270276 Natrix Species 0.000 description 1
- 101100396532 Pisum sativum eIF4E gene Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NDDAHWYSQHTHNT-UHFFFAOYSA-N indapamide Chemical compound CC1CC2=CC=CC=C2N1NC(=O)C1=CC=C(Cl)C(S(N)(=O)=O)=C1 NDDAHWYSQHTHNT-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9001128A NL9001128A (nl) | 1990-05-14 | 1990-05-14 | Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69107511D1 DE69107511D1 (de) | 1995-03-30 |
| DE69107511T2 true DE69107511T2 (de) | 1995-09-07 |
Family
ID=19857093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69107511T Expired - Fee Related DE69107511T2 (de) | 1990-05-14 | 1991-05-07 | Codierverfahren und Codieranordnung mit einem Unterbandcoder und Sender mit der Codieranordnung. |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0457391B1 (nl) |
| JP (1) | JP2931697B2 (nl) |
| KR (1) | KR0186000B1 (nl) |
| AT (1) | ATE118933T1 (nl) |
| DE (1) | DE69107511T2 (nl) |
| HK (1) | HK61696A (nl) |
| NL (1) | NL9001128A (nl) |
| SK (1) | SK138291A3 (nl) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0554934B1 (en) * | 1992-02-03 | 2001-11-21 | Koninklijke Philips Electronics N.V. | Transmission of digital wideband signals |
| ATE209406T1 (de) * | 1992-02-03 | 2001-12-15 | Koninkl Philips Electronics Nv | Übertragung von digitalen breitbandsignalen |
| EP0573103B1 (en) * | 1992-06-02 | 1999-08-11 | Koninklijke Philips Electronics N.V. | Digital transmission system |
| TW221836B (nl) * | 1992-06-09 | 1994-03-21 | Philips Electronics Nv | |
| JP3188013B2 (ja) | 1993-02-19 | 2001-07-16 | 松下電器産業株式会社 | 変換符号化装置のビット配分方法 |
| SG44933A1 (en) * | 1993-10-27 | 1997-12-19 | Philips Electronics Nv | Transmission and reception of a first and a second main signal component |
| WO1995030286A2 (en) * | 1994-05-02 | 1995-11-09 | Philips Electronics N.V. | Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component |
| WO1995032556A1 (en) * | 1994-05-19 | 1995-11-30 | Philips Electronics N.V. | Arrangement for determining a signal spectrum of a wideband digital signal and for deriving bit allocation information in response thereto |
| KR960704300A (ko) * | 1994-05-25 | 1996-08-31 | 이데이 노부유키 | 부호화 방법, 복호화 방법, 부호화/복호화 방법, 부호화 장치, 복호화 장치 및 부호화/복호화 장치(Encoding method, decoding method, encoding/decoding method, encoding apparatus, decoding apparatus, and encoding/decoding apparatus) |
| US5818943A (en) * | 1994-10-25 | 1998-10-06 | U.S. Philips Corporation | Transmission and reception of a first and a second main signal component |
| ATE214524T1 (de) * | 1994-11-04 | 2002-03-15 | Koninkl Philips Electronics Nv | Kodierung und dekodierung eines breitbandigen digitalen informationssignals |
| EP0749647B1 (en) * | 1995-01-09 | 2003-02-12 | Koninklijke Philips Electronics N.V. | Method and apparatus for determining a masked threshold |
| EP0801852A1 (en) | 1995-10-24 | 1997-10-22 | Koninklijke Philips Electronics N.V. | Repeated decoding and encoding in subband encoder/decoders |
| JPH11502394A (ja) * | 1996-01-12 | 1999-02-23 | フィリップス、エレクトロニクス、ネムローゼ、フェンノートシャップ | 広帯域デジタル情報信号を送信するための送信機とその方法、及び受信機 |
| WO1997029555A1 (en) * | 1996-02-08 | 1997-08-14 | Philips Electronics N.V. | N-channel transmission, compatible with 2-channel transmission and 1-channel transmission |
| KR100423173B1 (ko) * | 1996-02-08 | 2004-07-27 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 5채널전송및2채널전송과호환성이있는7채널전송 |
| DE19613643A1 (de) * | 1996-04-04 | 1997-10-09 | Fraunhofer Ges Forschung | Verfahren zum Codieren eines mit einer niedrigen Abtastrate digitalisierten Audiosignals |
| DE69723412T2 (de) * | 1996-04-10 | 2004-05-19 | Koninklijke Philips Electronics N.V. | Codierung einer vielzahl von datensignalen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9000635A (nl) | 1990-03-20 | 1991-10-16 | Philips Nv | Digitaal opteken- en weergavesysteem. |
-
1990
- 1990-05-14 NL NL9001128A patent/NL9001128A/nl not_active Application Discontinuation
-
1991
- 1991-05-07 DE DE69107511T patent/DE69107511T2/de not_active Expired - Fee Related
- 1991-05-07 AT AT91201088T patent/ATE118933T1/de not_active IP Right Cessation
- 1991-05-07 EP EP91201088A patent/EP0457391B1/en not_active Expired - Lifetime
- 1991-05-10 KR KR1019910007538A patent/KR0186000B1/ko not_active IP Right Cessation
- 1991-05-10 SK SK1382-91A patent/SK138291A3/sk unknown
- 1991-05-14 JP JP3138388A patent/JP2931697B2/ja not_active Expired - Fee Related
-
1996
- 1996-04-11 HK HK61696A patent/HK61696A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HK61696A (en) | 1996-04-19 |
| ATE118933T1 (de) | 1995-03-15 |
| EP0457391A1 (en) | 1991-11-21 |
| EP0457391B1 (en) | 1995-02-22 |
| JPH04250723A (ja) | 1992-09-07 |
| JP2931697B2 (ja) | 1999-08-09 |
| NL9001128A (nl) | 1991-12-02 |
| DE69107511D1 (de) | 1995-03-30 |
| KR910021052A (ko) | 1991-12-20 |
| KR0186000B1 (ko) | 1999-04-15 |
| SK138291A3 (en) | 1995-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
| 8328 | Change in the person/name/address of the agent |
Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN |
|
| 8339 | Ceased/non-payment of the annual fee |